Some transparencies:
Painlevé equations, Dynkin diagrams and hyperkähler manifolds, IHES, January 2012
Irregular connections, Dynkin diagrams and fission, Oxford Higgs bundle conference, March 2011
Some geometry of irregular connections on curves, IAS Princeton, November 2007
Painlevé, Klein and the icosahedron, Madrid, September 2006
Survey of the known algebraic solutions of Painlevé VI, Newton Institute, Cambridge, September 2006




List of previous/upcoming talks:
09/12Mathematics and Physics of Moduli spaces, Heidelberg
07/12Poisson 2012, Utrecht
06/12SEDIGA conference, Luminy
05/12Program on geometry and quantization of moduli spaces, CRM Barcelona
03/12Advances in hyperkahler and holomorphic symplectic geometry, Banff
1-2/12Geometry and analysis of surface group representations, IHP Paris
01/12Talk at IHES, Paris
12/11Workshop on hyperkahler geometry, Bonn
11/11 -SEDIGA meeting, ENS Paris
 -Geometry and analysis seminar, Oxford
10/11Algebra seminar, IHP Paris
07/11Conference on Symplectic resolutions etc, Kavli Royal Society International Centre, UK
06/11Painlevé equations and related topics, Euler Institute, St. Petersburg
05/11Workshop on Algebro-Geometric Aspects of Integrable Systems, Leeds, UK
03/11Conference on representations of surface groups and Higgs bundles, Oxford, UK
11/10Seminaire de geometrie analytique, Rennes
11/10Seminaire Darboux (physique theorique et mathematiques), LPTHE Jussieu
09/10Espaces de modules de connexions méromorphe, ENS, Paris
03/10Théorie de Galois géométrique et différentielle, Luminy
10/09ANR meeting: Representations and reductive groups, Jussieu
09/09Galois and arithmetic theory of differential equations, Luminy
06/09 - Algebra and Geometry seminar, Grenoble
 - Statistical mechanics, condensed matter and integrable systems talk, LPTHE Jussieu
05/09 - Geometry and Topology seminar, Imperial
 - Geometry seminar, Bath
 - Quivers and integrable systems workshop, Leeds
 - Fundamental Groups in Algebraic Geometry, Nice
 - Colloquium, Edinburgh
02/09Algebraic geometry seminar, Liverpool
11/08 Séminaire analyse algebrique, Paris VI
10/08 LMS workshop on Integrable Systems, Glasgow
07/08 Gauge Theory and Langlands Duality, Santa Barbara
06/08 -Geometry, Integrability and Twistor Theory, Cambridge
-Conference in honour of K. Okamoto, Tokyo
03/08 Institut de Recherche Mathématique de Rennes, Seminaire
02/08 Trinity College Dublin, Seminar
11/07 Workshop on gauge theory and representation theory, IAS, Princeton
10/07 -Geometry and Topology seminar, Maryland
-Geometry, algebra, singularities, combinatorics seminar, NorthEastern
08/07 Workshop on non-linear integral transforms: Fourier-Mukai amd Nahm, CRM Montreal
05/07 Electric-Magnetic Duality and Geometric Langlands seminar, MIT
04/07 -Conference honouring the contributions of John McKay, CRM Montreal
-Mathematical physics seminar, Centre de Recherche Mathematiques,  Montreal
02/07 Center for the Topology and quantization of moduli spaces, Aarhus, Denmark
09/06 -Hitchin's 60th birthday conference, Madrid
-The Painlevé Equations and Monodromy Problems, Newton Institute, Cambridge
07/06 Rencontres mathématiques de Glanon
05/06 - Japanese-French Symposium RIMS Kyoto
-Quantum groups and Poisson geometry day, IHP Paris, 29 May
01/06 Groupe de travail différentiel, Jussieu
01/05 Séminaire de géométrie analytique, Rennes
12/04 -Galois theory, Painlevé equations and Algebraic geometry, conference in honour of H. Umemura, Nagoya University
-Seminar on Integrable Systems, Department of Mathematics, Kobe University
11/04 Colloque "Singularités des équations différentielles, systèmes intégrables et groupes quantiques", IRMA Strasbourg, France
06/04 International Conference on Asymptotic Theories and Painlevé Equations, Angers, France
03/04 Groupes de Galois arithmétiques et différentiels Luminy, France
02/04 -Geometry Seminar, Oxford, UK
-Quantum groups seminar, ENS, Paris
-Geometry Seminar, Edinburgh, UK
01/04 -Séminaire Analyse Algebrique, Jussieu, Paris
-Geometry Seminar, Cambridge, UK
-Two talks in Toulouse
11/03 Seminaire Chevalley, IHP Paris
08/03 Seminar, Erwin Schrodinger Institute, Vienna, Austria
06/03 Geometry seminar, University of Geneva
04/03 AMS Special section on algebraic geometry and gauge theory, Courant Institute, New York
03/03 Rutgers Geometry seminar, Rutgers University, New Jersey
10/02 Geometric Langlands seminar (two long talks), University of Chicago
09/02 Algebraic geometry and gauge theory seminar, Columbia University, New York
Summer 2002 -Conference on Hamiltonian and quasi-Hamiltonian spaces, Strasbourg
-Géométrie des variétiés de petites dimensions et géométries spéciales, Luminy
-AMS-IMU joint meeting, Session on Poisson geometry and integrable systems, Pisa
-Colloque en l'honneur de Frédéric Pham, Nice
-European Differential Geometry Endeavour midterm conference, Edinburgh
02/02 -Institut Fourier, Grenoble (two talks)
-Institut Girard Desargues, Lyon
-Universite de Geneve, Section de mathematiques
01/02 Seminar on Group Representations and Harmonic Analysis, University of Nancy, France
12/01 -Séminaire Analyse Algebrique, Institut de Mathematiques, Jussieu, Paris
-Differential Geometry Seminar, Universite Libre Brussels
-Séminaire "Equations Fonctionnelles", IRMA Strasbourg
10/01 -Séminaire "Quantique", IRMA Strasbourg
-Algebraic Geometry Seminar, ICTP, Trieste
09/01 Conference on Geometry of Moduli Spaces and Integrable Systems, RIMS, Kyoto
08/01 School on Geometry of Integrable Systems, Otsu, Lake Biwa, Japan (mini lecture course on isomonodromy given)
06/01 Conference on Poisson Geometry, Erwin Schrodinger Institute, Vienna
02/01 Conference on Differential Equations in the Complex Domain in memory of R. Gerard, IRMA Strasbourg
11/00 Conference on Integrable Systems and Algebraic Geometry, SISSA, Trieste, Italy
12/99 Besse Differential Geometry Seminar, Ecole Polytechnique, Paris
11/99 Algebraic Geometry Seminar, ICTP, Trieste, Italy
07/99 Conference on Geometry, Topology and Physics, Porto, Portugal
05/99 Meeting on Classical and Quantum Integrability, Leeds, U.K.
02/99 Mathematical Physics Seminar, Oxford